A circle with an area of 13_π_ in2 is centered at point C. What is the circumference of this circle?

If a circle has an area of , what is the circumference of the circle?

A circle has the equation below. What is the circumference of the circle?

(x – 2)2 + (y + 3)2 = 9

A 6 by 8 rectangle is inscribed in a circle. What is the circumference of the circle?

A car tire has a radius of 18 inches. When the tire has made 200 revolutions, how far has the car gone in feet?

A gardener wants to build a fence around their garden shown below. How many feet of fencing will they need, if the length of the rectangular side is 12 and the width is 8?

If a circle (shown above) with area is divided into 6 equal slices, what is the arc length of one of the slices?

Note: The above figure is not necessarily drawn to scale.

Ashley has a square room in her apartment that measures 81 square feet. What is the circumference of the largest circular area rug that she can fit in the space?

The diameter of a circle is defined by the two points (2,5) and (4,6). What is the circumference of this circle?